package edu.sctu.demo;

import javax.servlet.*;
import java.io.IOException;

/**
 * Created by JAVA on 2018/6/18.
 */
public class UserListFilter implements Filter{
 @Override
 public void init(FilterConfig filterConfig) throws ServletException {

 }

 @Override
 public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
  System.out.println("这是第一个过滤器！");
  filterChain.doFilter(servletRequest,servletResponse);
 }

 @Override
 public void destroy() {

 }
}
